BR8801938A - HYBRID SYSTEM FOR FUEL MEDICATION - Google Patents
HYBRID SYSTEM FOR FUEL MEDICATIONInfo
- Publication number
- BR8801938A BR8801938A BR8801938A BR8801938A BR8801938A BR 8801938 A BR8801938 A BR 8801938A BR 8801938 A BR8801938 A BR 8801938A BR 8801938 A BR8801938 A BR 8801938A BR 8801938 A BR8801938 A BR 8801938A
- Authority
- BR
- Brazil
- Prior art keywords
- fuel
- valve
- medication
- hybrid system
- circuit
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/263—Control of fuel supply by means of fuel metering valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/02—Purpose of the control system to control rotational speed (n)
- F05D2270/021—Purpose of the control system to control rotational speed (n) to prevent overspeed
Abstract
A hybrid fuel metering system has a first circuit (46, 62, 70, 76) to position a valve (18) to direct fuel to a metering valve (20), a second circuit (64, 76) to position the valve (18) to correct engine overspeed and a third circuit (78, 82, 70, 76) to position the valve (18) so that the valve (18) may be manipulated to meter fuel to the engine.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/041,909 US4760662A (en) | 1987-04-24 | 1987-04-24 | Hybrid fuel metering system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8801938A true BR8801938A (en) | 1989-11-14 |
Family
ID=21918999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8801938A BR8801938A (en) | 1987-04-24 | 1988-04-22 | HYBRID SYSTEM FOR FUEL MEDICATION |
Country Status (9)
Country | Link |
---|---|
US (1) | US4760662A (en) |
EP (1) | EP0293318B1 (en) |
JP (1) | JPS63285233A (en) |
AT (1) | ATE68559T1 (en) |
BR (1) | BR8801938A (en) |
CA (1) | CA1280612C (en) |
DE (2) | DE3865529D1 (en) |
ES (1) | ES2006712A4 (en) |
GR (1) | GR890300068T1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8923329D0 (en) * | 1989-10-17 | 1989-12-06 | Dowty Defence | A fluid flow system |
GB9000176D0 (en) * | 1990-01-04 | 1990-03-07 | Lucas Ind Plc | Fuel control system for helicopter engine |
GB9203770D0 (en) * | 1992-02-21 | 1992-04-08 | Lucas Ind Plc | Fuel control system |
US5579632A (en) * | 1995-04-10 | 1996-12-03 | Alliedsignal Inc. | Overspeed governor control system |
GB9518582D0 (en) * | 1995-09-09 | 1996-09-11 | Lucas Ind Plc | Fuel control system for gas turbine engine |
US5768883A (en) * | 1996-01-25 | 1998-06-23 | Ametek Aerospace Products Inc. | Flowrate control sytem and method |
US5772182A (en) * | 1996-04-17 | 1998-06-30 | United Technologies Corporation | Fuel flow control valve |
US5927064A (en) * | 1997-12-23 | 1999-07-27 | United Technologies Corporation | Start, shutoff and overspeed system for gas turbine engine |
EP1045964B1 (en) | 1998-01-08 | 2012-08-08 | United Technologies Corporation | Bi-level hydraulic pressurizing system |
DE19848434C2 (en) | 1998-10-21 | 2000-11-23 | Mtu Muenchen Gmbh | Fuel metering system |
FR2791089B1 (en) * | 1999-03-18 | 2001-08-03 | Snecma | SELF-TEST ARCHITECTURE FOR OVERSPEED LIMITATION AND STOP CUTTING CHAINS OF TURBOREACTOR |
US6381946B1 (en) * | 2000-05-22 | 2002-05-07 | Woodward Governor Company | Two stage fuel metering system for gas turbine |
US6666015B2 (en) | 2002-01-28 | 2003-12-23 | Hamilton Sundstrand | Simplified fuel control for use with a positive displacement pump |
US6766637B2 (en) * | 2002-07-08 | 2004-07-27 | Honeywell International Inc. | Battle override valve |
US6996969B2 (en) * | 2003-09-09 | 2006-02-14 | Goodrich Pump & Engine Control Systems, Inc. | Multi-mode shutdown system for a fuel metering unit |
US7327045B2 (en) * | 2004-05-12 | 2008-02-05 | Owen Watkins | Fuel delivery system and method providing regulated electrical output |
WO2007092456A2 (en) * | 2006-02-03 | 2007-08-16 | Rolls-Royce Corporation | Gas turbine engine fuel system with fuel metering valve |
US10563589B2 (en) * | 2013-04-14 | 2020-02-18 | General Electric Company | Engine overspeed protection with thrust control |
US10711704B2 (en) | 2015-04-14 | 2020-07-14 | Hamilton Sundstrand Corporation | Fuel control system with shutoff feature |
US10100747B2 (en) * | 2015-11-18 | 2018-10-16 | General Electric Company | Fuel supply system for use in a gas turbine engine and method of controlling an overspeed event therein |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2700872A (en) * | 1947-01-11 | 1955-02-01 | Niles Bement Pond Co | Fuel control apparatus for internalcombustion engines |
US2622614A (en) * | 1947-08-01 | 1952-12-23 | Cincinnati Milling Machine Co | Rate valve |
US2771907A (en) * | 1949-01-29 | 1956-11-27 | Joy Mfg Co | Pilot controlled piston type reversing valve |
US2750929A (en) * | 1951-08-27 | 1956-06-19 | Douglas Aircraft Co Inc | Cycle control valve for hydraulic motors |
US3060969A (en) * | 1960-02-24 | 1962-10-30 | Alkon Products Corp | Hydraulic valve |
US3332436A (en) * | 1965-04-05 | 1967-07-25 | Vendo Co | Temperature and pressure compensated liquid flow control |
DE1955044B2 (en) * | 1969-11-03 | 1971-05-06 | Hans Alber | FLOW CONTROL VALVE |
US3643685A (en) * | 1970-11-04 | 1972-02-22 | Schaub Engineering Co | Flow regulator |
US4033112A (en) * | 1975-09-25 | 1977-07-05 | The Bendix Corporation | Fuel control for gas turbine engine |
US4145876A (en) * | 1977-08-25 | 1979-03-27 | United Technologies Corp. | Jet engine fuel flow transfer valve |
US4267693A (en) * | 1979-08-23 | 1981-05-19 | United Technologies Corporation | Hydromechanical fuel control with independent electromechanical interface |
US4344281A (en) * | 1980-04-07 | 1982-08-17 | The Bendix Corporation | Manually operated metering valve for a fuel control |
US4411133A (en) * | 1980-09-29 | 1983-10-25 | United Technologies Corporation | Fuel circuits for fuel controls |
US4422475A (en) * | 1981-05-29 | 1983-12-27 | Vickers, Incorporated | Variable gain servo controlled directional valve |
US4637420A (en) * | 1985-12-16 | 1987-01-20 | United Technologies Corporation | Metering valve |
-
1987
- 1987-04-24 US US07/041,909 patent/US4760662A/en not_active Expired - Lifetime
-
1988
- 1988-04-11 CA CA000563812A patent/CA1280612C/en not_active Expired - Fee Related
- 1988-04-21 AT AT88630072T patent/ATE68559T1/en not_active IP Right Cessation
- 1988-04-21 DE DE8888630072T patent/DE3865529D1/en not_active Expired - Fee Related
- 1988-04-21 EP EP88630072A patent/EP0293318B1/en not_active Expired - Lifetime
- 1988-04-21 ES ES88630072T patent/ES2006712A4/en active Pending
- 1988-04-21 DE DE198888630072T patent/DE293318T1/en active Pending
- 1988-04-22 JP JP63100043A patent/JPS63285233A/en active Pending
- 1988-04-22 BR BR8801938A patent/BR8801938A/en unknown
-
1989
- 1989-09-29 GR GR89300068T patent/GR890300068T1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0293318A3 (en) | 1990-01-17 |
CA1280612C (en) | 1991-02-26 |
JPS63285233A (en) | 1988-11-22 |
ATE68559T1 (en) | 1991-11-15 |
EP0293318A2 (en) | 1988-11-30 |
GR890300068T1 (en) | 1989-09-29 |
DE293318T1 (en) | 1989-08-03 |
EP0293318B1 (en) | 1991-10-16 |
US4760662A (en) | 1988-08-02 |
DE3865529D1 (en) | 1991-11-21 |
ES2006712A4 (en) | 1989-05-16 |
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